451 lines
15 KiB
PHP
451 lines
15 KiB
PHP
<?php
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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// CodeIgniter File System Helpers
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if (! function_exists('directory_map')) {
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/**
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* Create a Directory Map
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*
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* Reads the specified directory and builds an array
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* representation of it. Sub-folders contained with the
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* directory will be mapped as well.
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*
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* @param string $sourceDir Path to source
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* @param int $directoryDepth Depth of directories to traverse
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* (0 = fully recursive, 1 = current dir, etc)
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* @param bool $hidden Whether to show hidden files
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*/
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function directory_map(string $sourceDir, int $directoryDepth = 0, bool $hidden = false): array
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{
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try {
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$fp = opendir($sourceDir);
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$fileData = [];
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$newDepth = $directoryDepth - 1;
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$sourceDir = rtrim($sourceDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
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while (false !== ($file = readdir($fp))) {
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// Remove '.', '..', and hidden files [optional]
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if ($file === '.' || $file === '..' || ($hidden === false && $file[0] === '.')) {
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continue;
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}
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if (is_dir($sourceDir . $file)) {
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$file .= DIRECTORY_SEPARATOR;
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}
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if (($directoryDepth < 1 || $newDepth > 0) && is_dir($sourceDir . $file)) {
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$fileData[$file] = directory_map($sourceDir . $file, $newDepth, $hidden);
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} else {
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$fileData[] = $file;
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}
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}
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closedir($fp);
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return $fileData;
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} catch (Throwable $e) {
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return [];
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}
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}
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}
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if (! function_exists('directory_mirror')) {
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/**
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* Recursively copies the files and directories of the origin directory
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* into the target directory, i.e. "mirror" its contents.
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*
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* @param bool $overwrite Whether individual files overwrite on collision
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*
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* @throws InvalidArgumentException
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*/
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function directory_mirror(string $originDir, string $targetDir, bool $overwrite = true): void
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{
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if (! is_dir($originDir = rtrim($originDir, '\\/'))) {
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throw new InvalidArgumentException(sprintf('The origin directory "%s" was not found.', $originDir));
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}
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if (! is_dir($targetDir = rtrim($targetDir, '\\/'))) {
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@mkdir($targetDir, 0755, true);
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}
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$dirLen = strlen($originDir);
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/**
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* @var SplFileInfo $file
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*/
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foreach (new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator($originDir, FilesystemIterator::SKIP_DOTS),
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RecursiveIteratorIterator::SELF_FIRST
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) as $file) {
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$origin = $file->getPathname();
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$target = $targetDir . substr($origin, $dirLen);
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if ($file->isDir()) {
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if (! is_dir($target)) {
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mkdir($target, 0755);
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}
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} elseif (! is_file($target) || ($overwrite && is_file($target))) {
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copy($origin, $target);
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}
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}
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}
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}
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if (! function_exists('write_file')) {
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/**
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* Write File
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*
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* Writes data to the file specified in the path.
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* Creates a new file if non-existent.
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*
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* @param string $path File path
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* @param string $data Data to write
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* @param string $mode fopen() mode (default: 'wb')
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*/
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function write_file(string $path, string $data, string $mode = 'wb'): bool
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{
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try {
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$fp = fopen($path, $mode);
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flock($fp, LOCK_EX);
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for ($result = $written = 0, $length = strlen($data); $written < $length; $written += $result) {
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if (($result = fwrite($fp, substr($data, $written))) === false) {
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break;
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}
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}
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flock($fp, LOCK_UN);
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fclose($fp);
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return is_int($result);
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} catch (Throwable $e) {
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return false;
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}
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}
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}
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if (! function_exists('delete_files')) {
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/**
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* Delete Files
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*
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* Deletes all files contained in the supplied directory path.
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* Files must be writable or owned by the system in order to be deleted.
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* If the second parameter is set to true, any directories contained
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* within the supplied base directory will be nuked as well.
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*
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* @param string $path File path
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* @param bool $delDir Whether to delete any directories found in the path
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* @param bool $htdocs Whether to skip deleting .htaccess and index page files
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* @param bool $hidden Whether to include hidden files (files beginning with a period)
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*/
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function delete_files(string $path, bool $delDir = false, bool $htdocs = false, bool $hidden = false): bool
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{
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$path = realpath($path) ?: $path;
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$path = rtrim($path, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
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try {
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foreach (new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::SKIP_DOTS),
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RecursiveIteratorIterator::CHILD_FIRST
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) as $object) {
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$filename = $object->getFilename();
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if (! $hidden && $filename[0] === '.') {
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continue;
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}
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if (! $htdocs || ! preg_match('/^(\.htaccess|index\.(html|htm|php)|web\.config)$/i', $filename)) {
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$isDir = $object->isDir();
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if ($isDir && $delDir) {
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rmdir($object->getPathname());
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continue;
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}
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if (! $isDir) {
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unlink($object->getPathname());
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}
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}
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}
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return true;
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} catch (Throwable $e) {
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return false;
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}
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}
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}
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if (! function_exists('get_filenames')) {
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/**
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* Get Filenames
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*
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* Reads the specified directory and builds an array containing the filenames.
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* Any sub-folders contained within the specified path are read as well.
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*
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* @param string $sourceDir Path to source
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* @param bool|null $includePath Whether to include the path as part of the filename; false for no path, null for a relative path, true for full path
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* @param bool $hidden Whether to include hidden files (files beginning with a period)
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* @param bool $includeDir Whether to include directories
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*/
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function get_filenames(
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string $sourceDir,
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?bool $includePath = false,
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bool $hidden = false,
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bool $includeDir = true
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): array {
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$files = [];
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$sourceDir = realpath($sourceDir) ?: $sourceDir;
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$sourceDir = rtrim($sourceDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
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try {
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foreach (new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator($sourceDir, RecursiveDirectoryIterator::SKIP_DOTS | FilesystemIterator::FOLLOW_SYMLINKS),
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RecursiveIteratorIterator::SELF_FIRST
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) as $name => $object) {
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$basename = pathinfo($name, PATHINFO_BASENAME);
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if (! $hidden && $basename[0] === '.') {
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continue;
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}
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if ($includeDir || ! $object->isDir()) {
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if ($includePath === false) {
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$files[] = $basename;
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} elseif ($includePath === null) {
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$files[] = str_replace($sourceDir, '', $name);
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} else {
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$files[] = $name;
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}
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}
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}
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} catch (Throwable $e) {
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return [];
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}
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sort($files);
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return $files;
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}
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}
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if (! function_exists('get_dir_file_info')) {
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/**
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* Get Directory File Information
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*
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* Reads the specified directory and builds an array containing the filenames,
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* filesize, dates, and permissions
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*
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* Any sub-folders contained within the specified path are read as well.
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*
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* @param string $sourceDir Path to source
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* @param bool $topLevelOnly Look only at the top level directory specified?
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* @param bool $recursion Internal variable to determine recursion status - do not use in calls
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*/
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function get_dir_file_info(string $sourceDir, bool $topLevelOnly = true, bool $recursion = false): array
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{
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static $fileData = [];
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$relativePath = $sourceDir;
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try {
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$fp = opendir($sourceDir);
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// reset the array and make sure $source_dir has a trailing slash on the initial call
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if ($recursion === false) {
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$fileData = [];
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$sourceDir = rtrim(realpath($sourceDir), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
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}
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// Used to be foreach (scandir($source_dir, 1) as $file), but scandir() is simply not as fast
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while (false !== ($file = readdir($fp))) {
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if (is_dir($sourceDir . $file) && $file[0] !== '.' && $topLevelOnly === false) {
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get_dir_file_info($sourceDir . $file . DIRECTORY_SEPARATOR, $topLevelOnly, true);
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} elseif ($file[0] !== '.') {
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$fileData[$file] = get_file_info($sourceDir . $file);
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$fileData[$file]['relative_path'] = $relativePath;
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}
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}
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closedir($fp);
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return $fileData;
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} catch (Throwable $fe) {
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return [];
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}
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}
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}
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if (! function_exists('get_file_info')) {
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/**
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* Get File Info
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*
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* Given a file and path, returns the name, path, size, date modified
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* Second parameter allows you to explicitly declare what information you want returned
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* Options are: name, server_path, size, date, readable, writable, executable, fileperms
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* Returns false if the file cannot be found.
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*
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* @param string $file Path to file
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* @param array|string $returnedValues Array or comma separated string of information returned
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*
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* @return array|null
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*/
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function get_file_info(string $file, $returnedValues = ['name', 'server_path', 'size', 'date'])
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{
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if (! is_file($file)) {
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return null;
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}
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$fileInfo = [];
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if (is_string($returnedValues)) {
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$returnedValues = explode(',', $returnedValues);
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}
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foreach ($returnedValues as $key) {
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switch ($key) {
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case 'name':
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$fileInfo['name'] = basename($file);
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break;
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case 'server_path':
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$fileInfo['server_path'] = $file;
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break;
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case 'size':
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$fileInfo['size'] = filesize($file);
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break;
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case 'date':
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$fileInfo['date'] = filemtime($file);
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break;
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case 'readable':
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$fileInfo['readable'] = is_readable($file);
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break;
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case 'writable':
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$fileInfo['writable'] = is_really_writable($file);
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break;
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case 'executable':
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$fileInfo['executable'] = is_executable($file);
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break;
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case 'fileperms':
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$fileInfo['fileperms'] = fileperms($file);
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break;
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}
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}
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return $fileInfo;
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}
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}
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if (! function_exists('symbolic_permissions')) {
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/**
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* Symbolic Permissions
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*
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* Takes a numeric value representing a file's permissions and returns
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* standard symbolic notation representing that value
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*
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* @param int $perms Permissions
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*/
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function symbolic_permissions(int $perms): string
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{
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if (($perms & 0xC000) === 0xC000) {
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$symbolic = 's'; // Socket
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} elseif (($perms & 0xA000) === 0xA000) {
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$symbolic = 'l'; // Symbolic Link
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} elseif (($perms & 0x8000) === 0x8000) {
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$symbolic = '-'; // Regular
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} elseif (($perms & 0x6000) === 0x6000) {
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$symbolic = 'b'; // Block special
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} elseif (($perms & 0x4000) === 0x4000) {
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$symbolic = 'd'; // Directory
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} elseif (($perms & 0x2000) === 0x2000) {
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$symbolic = 'c'; // Character special
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} elseif (($perms & 0x1000) === 0x1000) {
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$symbolic = 'p'; // FIFO pipe
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} else {
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$symbolic = 'u'; // Unknown
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}
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// Owner
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$symbolic .= (($perms & 0x0100) ? 'r' : '-')
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. (($perms & 0x0080) ? 'w' : '-')
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. (($perms & 0x0040) ? (($perms & 0x0800) ? 's' : 'x') : (($perms & 0x0800) ? 'S' : '-'));
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// Group
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$symbolic .= (($perms & 0x0020) ? 'r' : '-')
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. (($perms & 0x0010) ? 'w' : '-')
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. (($perms & 0x0008) ? (($perms & 0x0400) ? 's' : 'x') : (($perms & 0x0400) ? 'S' : '-'));
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// World
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$symbolic .= (($perms & 0x0004) ? 'r' : '-')
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. (($perms & 0x0002) ? 'w' : '-')
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. (($perms & 0x0001) ? (($perms & 0x0200) ? 't' : 'x') : (($perms & 0x0200) ? 'T' : '-'));
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return $symbolic;
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}
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}
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if (! function_exists('octal_permissions')) {
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/**
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* Octal Permissions
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*
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* Takes a numeric value representing a file's permissions and returns
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* a three character string representing the file's octal permissions
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*
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* @param int $perms Permissions
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*/
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function octal_permissions(int $perms): string
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{
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return substr(sprintf('%o', $perms), -3);
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}
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}
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if (! function_exists('same_file')) {
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/**
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* Checks if two files both exist and have identical hashes
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*
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* @return bool Same or not
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*/
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function same_file(string $file1, string $file2): bool
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{
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return is_file($file1) && is_file($file2) && md5_file($file1) === md5_file($file2);
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}
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}
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if (! function_exists('set_realpath')) {
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/**
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* Set Realpath
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*
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* @param bool $checkExistence Checks to see if the path exists
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*/
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function set_realpath(string $path, bool $checkExistence = false): string
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{
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// Security check to make sure the path is NOT a URL. No remote file inclusion!
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if (preg_match('#^(http:\/\/|https:\/\/|www\.|ftp)#i', $path) || filter_var($path, FILTER_VALIDATE_IP) === $path) {
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throw new InvalidArgumentException('The path you submitted must be a local server path, not a URL');
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}
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// Resolve the path
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if (realpath($path) !== false) {
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$path = realpath($path);
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} elseif ($checkExistence && ! is_dir($path) && ! is_file($path)) {
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throw new InvalidArgumentException('Not a valid path: ' . $path);
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}
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// Add a trailing slash, if this is a directory
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return is_dir($path) ? rtrim($path, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR : $path;
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}
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}
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